1
Walter Boegner, Karl Ernest Haak, Bernd Krutzsch, Dirk Voigtlaender, Guenter Wenninger, Friedrich Wirbeleit: Emission control system for an internal-combustion engine. DaimlerChrysler, Evenson McKeown Edwards & Lenahan P L L C, January 9, 2001: US06170259 (62 worldwide citation)

An emission control system for an internal-combustion engine has at least one nitrogen oxide adsorber for the periodic adsorption and desorption of nitrogen oxides contained in the exhaust gas of the internal-combustion engine. A desorption gas pipe has an externally heatable catalyst arranged there ...


2
Stefan Pischinger, Christof Schon, Michel Weibel, Bernd Krutzsch, Rudiger Pfaff, Walter Boegner: Method and apparatus for operating a diesel engine. Mercedes Benz, Evenson McKeown Edwards & Lenahan P L L C, June 30, 1998: US05771686 (60 worldwide citation)

A method and an apparatus are provided for operating a diesel engine with an exhaust feedback device located between the exhaust line and the intake air line, with an adjusting element that can be operated by an adjusting drive actuated by an auxiliary force to operate the exhaust feedback device as ...


3
Bernd Krutzsch, Christian Goerigk, Stefan Kurze, Gunter Wenninger, Walter Boegner, Friedrich Wirbeleit: Process and apparatus for reducing nitrogen oxides in engine emissions. Daimler Benz, Evenson McKeown Edward & Lenahan P L L C, July 13, 1999: US05921076 (58 worldwide citation)

A process and apparatus for reducing the nitrogen oxide content in oxygen-containing emissions is provided, particularly for internal-combustion engines, particularly of diesel engines and directly injecting Otto engines for motor vehicles. The nitrogen oxides contained in the exhaust gas are reduce ...


4
Michael Kraemer, Friedrich Wirbeleit, Christian Enderle, Walter Friess, Bernd Krutzsch, Gert Withalm, Christof Schoen, Leopold Mikulic, Gernot Hertweck, Frank Thoma: Air-compressing fuel-injection internal-combustion engine with an exhaust treatment device for reduction of nitrogen oxides. Mercedes Benz, Evenson McKeown Edwards & Lenahan, January 2, 1996: US05479775 (52 worldwide citation)

The invention relates to a diesel internal combustion engine with an exhaust treatment device for the reduction of nitrogen oxides and with a fuel injection system comprising a high-pressure pump and at least one solenoid valve-controlled injection nozzle. The injection nozzle is actuated by an elec ...


5
Brigitte Konrad, Bernd Krutzsch, Dirk Voigtlaender: Process and apparatus for reducing nitrogen-oxide emissions in exhaust gas. DaimlerChrysler, Evenson McKeown Edwards & Lenahan P L L C, January 23, 2001: US06176079 (45 worldwide citation)

A method of cleaning an exhaust gas from a combustion system that is operated alternately in lean and rich conditions includes intermediately storing nitrogen oxides during lean operation; releasing the stored nitrogen oxides, thereby producing ammonia and storing the ammonia during rich operation; ...


6
Josef Guenther, Brititte Konrad, Bernd Krutzsch, Arno Nolte, Dirk Voigtlaender, Michel Weibel, Marko Weirich, Guenter Wenninger: Exhaust gas purification process and apparatus with internal generation of ammonia for reducing nitrogen oxide. DaimlerChrysler, Crowell & Moring, January 15, 2002: US06338244 (39 worldwide citation)

A method and apparatus for purifying an exhaust gas of an internal combustion engine includes an ammonia generating catalyst for generating ammonia from nitrogen oxides contained in the exhaust gas to be purified, and a nitrogen oxide reducing catalyst downstream of the ammonia generating catalyst, ...


7
Walter Boegner, Karl Ernst Haak, Bernd Krutzsch, Wim Verrelst, Dirk Voigtlaender, Guenter Wenninger, Friedrich Wirbeleit: Internal combustion engine exhaust emission control system with adsorbers for nitrogen oxides. Daimler Benz Aktiengesellschaft, Evenson McKeown Edwards & Lenahan P L L C, June 8, 1999: US05910097 (35 worldwide citation)

A motor vehicle exhaust emission control system has two adsorber parts connected in parallel for alternate adsorption and desorption of nitrogen oxides contained in the exhaust from an internal combustion engine and components for conducting further downstream the exhaust that emerges in the adsorbe ...


8
Josef Gunther, Bernd Krutzsch, Christof Schoen, Dirk Voigtlaender, Miechel Weibel, Marko Weirich: Exhaust-gas cleaning system and method with internal ammonia generation, for the reduction of nitrogen oxides. DaimlerChrysler, Crowell & Moring, December 16, 2003: US06662552 (32 worldwide citation)

An exhaust-gas cleaning system removes at least nitrogen oxides contained in exhaust-gas from a combustion source. An ammonia-generation catalytic converter generates ammonia using constituents of at least some of the exhaust gas emitted from the combustion source during ammonia-generation operating ...


9
Walter Boegner, Frank Duvinage, Walter Friess, Karl Ernst Haak, Bernd Krutzsch, Rudolf Maly, Viktor Pfeffer, Stefan Pischinger, Gregor Renner, Dirk Voigtlaender, Michel Weibel, Guenter Wenninger, Friedrich Wirbeleit: Method for operating a multicylinder internal combustion engine. DaimlerChrysler, Evenson McKeown Edwards & Lenahan P L L C, July 4, 2000: US06082100 (31 worldwide citation)

A method for operating a multicylinder internal combustion engine with at least one adsorber catalytic converter in the exhaust line of the internal combustion engine includes operating the adsorber catalytic converter with periodically alternating adsorption and desorption operation. The exhaust le ...


10
Tillmann Braun, Oliver Ebelsheiser, Bernd Krutzsch, Klaus Juergen Marquardt, Michel Weibel, Guenter Wenninger: Method and device for treating diesel exhaust gas. DaimlerChrysler, Crowell & Moring, November 30, 2004: US06823667 (30 worldwide citation)

In a method for burning deposited soot particles in a particle filter on an exhaust device of a diesel engine, first of all, in a known way, a catalytic converter produces NO